Mediastinal Neuro-Endocrine Tumor

Man 62 y/o with chest pain and newly formed tissue in the left anterior superior mediastinal lodge.
Clear supplementary collateral venous circulation at the entire left hemi shoulder girdle and the venous plexus surrounding dorsal spine.
To re-establish a communication with the Inferior Cava Vein this drains with some Intercostal Veins into Hemiazygos Vein
Clear demonstration of subcutaneous venous collateral circulation top and bottom umbilical area.